#include <stdio.h>
int main()
{
	char arr1[] = { "welcome to bit!!!!" };
	char arr2[] = { "##################" };
	int left = 0;
	int sz = sizeof(arr1) / sizeof(arr1[0]);
	int right = sz - 2;
	printf("%s\n", arr2);
	while (left<=right)
	{
		arr2[left] = arr1[left];
		arr2[right] = arr1[right];
		left++;
		right--;
		printf("%s\n", arr2);
	}
}